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14146520 = 235834261
BaseRepresentation
bin110101111101…
…101111011000
3222121201101012
4311331233120
512110142040
61223113052
7231146333
oct65755730
928551335
1014146520
117a92543
1248a2788
132c1402b
141c4361a
151396865
hexd7dbd8

14146520 has 32 divisors (see below), whose sum is σ = 32220720. Its totient is φ = 5589120.

The previous prime is 14146513. The next prime is 14146523. The reversal of 14146520 is 2564141.

It is a super-2 number, since 2×141465202 = 400248056220800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14146523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1190 + ... + 5450.

Almost surely, 214146520 is an apocalyptic number.

14146520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14146520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16110360).

14146520 is an abundant number, since it is smaller than the sum of its proper divisors (18074200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14146520 is a wasteful number, since it uses less digits than its factorization.

14146520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4355 (or 4351 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 14146520 is about 3761.1859831707. The cubic root of 14146520 is about 241.8521055233.

The spelling of 14146520 in words is "fourteen million, one hundred forty-six thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 83 166 332 415 664 830 1660 3320 4261 8522 17044 21305 34088 42610 85220 170440 353663 707326 1414652 1768315 2829304 3536630 7073260 14146520